Online Parts Store › Phillips Machine Screw - Pan Head. 1/4"-20 x 3" Image 1 of 1 Phillips Machine Screw - Pan Head. 1/4"-20 x 3" $37.73 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Flat Washer, 3/8", .062" Thick, OD 1" $40.34 Stainless Cotter Pin 1/16" x 1" $17.13 Nylon Flat Washer #10, 0.32" Thick, OD 7/16" $17.32 Fasteners Only (Boxed) $6,706.34 Phillips Wood Screw - Flat Head, #10 x 1-1/2" $44.84